@article{1183734675,
author = {Sacks, Gerald E.},
title = {Review: R. M. Friedberg, The Fine Structure of Degrees of Unsolvability of Recursively Enumerable Sets},
journal = {J. Symbolic Logic},
volume = {28},
number = {1},
year = {1963},
language = {en},
url = {http://dml.mathdoc.fr/item/1183734675}
}
Sacks, Gerald E. Review: R. M. Friedberg, The Fine Structure of Degrees of Unsolvability of Recursively Enumerable Sets. J. Symbolic Logic, Tome 28 (1963) no. 1, . http://gdmltest.u-ga.fr/item/1183734675/